Tulane safety Devon Walker was taken off the field in an ambulance at H.A. Chapman Stadium in Tulsa, Okla. after having CPR administered to him following an apparent head and/or neck injury in the Green Wave's game against Tulsa on Saturday.

The injury occurred on the final play of the first half, as Walker attempted to make a play on a Tulsa player, but inadvertently collided with his own teammate instead.

Walker stopped breathing at one point after medical personnel removed his helmet and shoulder pads. However, it was confirmed that Walker was breathing and responsive by the time he was loaded into the ambulance.

Walker, a senior from New Orleans, La., was playing in his 31st career game on Saturday. He has accumulated 47 tackles, four pass break-ups, and a forced fumble in three seasons at Tulane.

Tulane safety Devon Walker suffered a broken neck and a collapsed lung after a horrifying collision with a teammate on the final play of the first half of the Green Wave's game against Tulsa on Saturday, according to John Moss of KTUL-TV in Tulsa, OK. The collision brought an ambulance onto the field of H.A. Chapman Stadium as Walker needed immediate medical attention.

The senior from New Orleans, La. stopped breathing while on the field and had to receive CPR to be revived. An emergency tracheotomy was also performed by medical personnel. In a positive sign, Walker was breathing and responsive by the time he was taken into the ambulance, but faces a long road to recovery ahead.

Walker has amassed 47 tackles, four pass break-ups, and a forced fumble in 31 games at Tulane.